SMATS, EEBs

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• Saturn's moon, Hyperion
• Eros simulation

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• Comparison between rubble piles and monolithic targets.
• More soon...

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• Baptistina-like impacts (catastrophic!):
  • >100km basalt target, 46km basalt impactor, 3km/sec at 15 degrees, runtime = 0.5 hours, rigid N-body with color-coded depths, medium res (100,000 particles)

• Impacts with particle temperatures color-coded, based on initial depth:
  • >170km basalt target, 125km basalt impactor, 500m/sec, runtime = 1 hour, high bouncing, low res (10,000 particles)

• Hasty powerpoint presentation of an impact that creates a typical EEB cluster.
• Tidal disruption simulation via Bill Bottke
• Other misc movies from Bill Bottke
  

• Early stages of a typical impact ( anim-gif ) (animation by Dan Durda)
  
• Target diameter: 100 km
• Impactor diameter:  25 km (log ratio = 1.8)
• Impactor velocity:  5 km/sec
• Impact angle:  45 degrees
• Number of particles:  100k
• Simulation length:  150 seconds

• No stable satellites ( fli ) ( mov ) ( anim-gif ) ( avi )
• Target diameter:  100 km
• Impactor diameter:  10 km (log ratio = 3.0)
• Impactor velocity:  3 km/sec
• Impact angle:  75 degrees
• Number of particles:  100k
• Simulation length:  600 timesteps (~9 real hours)
  

• Stable orbiting mass (many, small particles) ( fli ) ( mov ) ( anim-gif )
• Target diameter: 100 km
• Impactor diameter:  20 km (log ratio = 2.2)
• Impactor velocity:  5 km/sec
• Impact angle:  30 degrees
• Number of particles:  15k
• Simulation length:  7000 timesteps (~4 real days)
  

• Stable orbiting mass (few, large particles) ( fli ) ( mov ) ( anim-gif ) ( avi )
• Same movie, close-up ( fli ) ( mov ) ( anim-gif ) ( avi )
• Target diameter: 100 km
• Impactor diameter:  20 km (log ratio = 2.2)
• Impactor velocity:  7 km/sec
• Impact angle:  30 degrees
• Number of particles:  15k
• Simulation length:  7000 timesteps (~4 real days)
  
• NOTE: parameters are identical to the previous simulation, except for a higher impact velocity.
  

• Pulverized target, possibly with stable binary pairs ejected ( fli ) ( mov ) ( anim-gif ) ( avi )
• Same impact, wider view ( fli ) ( mov ) ( anim-gif ) ( avi )
• Target diameter: 100 km
• Impactor diameter:  46 km (log ratio = 1.0)
• Impactor velocity:  7 km/sec
• Impact angle:  15 degrees
• Number of particles:  15k
• Simulation length:  3000 timesteps (~2 real days)

• Stable orbiting mass with influx streamer (many, small particles) ( fli ) ( mov ) ( anim-gif ) ( avi )
• Target diameter: 100 km
• Impactor diameter:  14 km (log ratio = 2.6)
• Impactor velocity:  7 km/sec
• Impact angle:  45 degrees
• Number of particles:  100k
• Simulation length:  2500 timesteps (~1.5 real days)
• Image of resulting stable particle locations  
• Movie of evolving stable particle locations ( fli ) ( mov ) ( anim-gif ) ( avi )
• Image of initial locations of stable particles (z axis) ( x axis )

• Early Karin Family attempt (2 large remnants, each w/~25 satellites) ( fli ) ( anim-gif )
• Target diameter:  20 km
• Impactor diameter:  3 km (log ratio = 2.47)
• Impactor velocity:  5 km/sec
• Impact angle:  45 degrees
• Number of particles:  100k
• Simulation length:  13600 timesteps (~8 real days)
  

• Thermal studies impact, w/ newest "rigid mode" N-body code ( fli )
• Target diameter:  215 km
• Impactor diameter:  50 km (log ratio = 2.47)
• Impactor velocity:  5 km/sec
• Impact angle:  45 degrees
• Number of particles:  10k
• Simulation length:  7000 timesteps (~4 real days)
  
• Stickiness:  1.0
  

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Maintained at SwRI DOSS by Brian Enke    Last updated 19-Oct-2001